End cap



FIG. 1 is a top view of an embodiment of an end cap;

FIG. 2 is a bottom view of the embodiment of FIG. 1;

FIG. 3 is a side view of the embodiment of FIG. 1; the opposite side is a mirror image thereof; and,

FIG. 4 is an end view of the embodiment of FIG. 1; the opposite end is a mirror image thereof.

The portion of the article shown in broken lines throughout the views (i.e., an environment of a lighting diffuser) is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an end cap, as shown and described. 